<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
      /*子孙后代选择器*/
/*      body div div p{
        color: red;
      }*/
      /*子元素选择器*/
      body>div>div>p{
        color: blue;
      }
      /*伪类选择器*/
      a:link{color: red}/*未访问状态*/
      a:visited{color: green}/*访问过状态*/
      a:hover{color: yellow}/*悬停状态*/
      a:active{color: blue}/*点击状态*/
    </style>
</head>
<body>
<a href="10选择器练习.html">超链接1</a>
<a href="09选择器.html">超链接1</a>
<a href="08CSS引入方式.html">超链接1</a>

<p>p1</p>
<div>
  <p>p2</p>
  <div><p>p3</p></div>
  <div>
    <p>p4</p>
    <div><p>p5</p></div>
  </div>
</div>
</body>
</html>